document.write( "Question 830370: a 10-lb mixture of peanuts, cashews, and raisins sell for $14. Peanuts cost $1 per pound, cashews cost $2 per pound, and raisins cost $1.50 per pound. The weight of peanuts in the mixture is twice the weight of cashews in the mixture.\r
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document.write( "A. write a system of equations that represent the problem\r
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document.write( "B. find the number of pounds of each ingredient in the mixture. \n" );
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Algebra.Com's Answer #500557 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Pounds of peanuts, cashews, raisins as p,c, r. \n" ); document.write( "Prices: 1 dollars per pound peanuts, 2 dollars per pound cashews, 1.50 dollars per pound raisins. \n" ); document.write( "Price of mixture: $14. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Accounting for price of mixture: \n" ); document.write( "Accounting for pounds: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute for p in the two accounting equations and simplify: \n" ); document.write( "2c+2c+1.5r=14 \n" ); document.write( "4c+1.5r=14 \n" ); document.write( "To use all integer coefficients multiply by 2... \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "2c+c+r=10 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve the simultaneous equations highlighted with green. \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "p=2c \n" ); document.write( "p=2*2 \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "Use either of the accounting equations to find the value for r. \n" ); document.write( "Using 3c+r=10 \n" ); document.write( "r=10-3c \n" ); document.write( "r=10-3*2 \n" ); document.write( " |